Graves, Lawrence M.
McGraw-Hill, 1956
Buku Teks
Torchinsky, Alberto
Addison-Wesley, 1987
Buku Teks
Bartle, Robert Gardner, 1927-
John Wiley & Sons, 1982
Buku Teks
Bartle, Robert Gardner, 1927-
John Wiley & Sons, 1975
Buku Teks
Bartle, Robert Gardner, 1927-
John Wiley & Sons, 1976
Buku Teks